U usmc8002 Private Minuteman Nov 1, 2012 3 0 47 Nov 1, 2012 #1 Nov 1, 2012 #1 What is the best twist rate for a 20 inch barrel firing a 300 win mag with a 220 grain bullet?
P prodigalson Sergeant Full Member Minuteman Sep 21, 2012 130 0 40 Butler, PA Nov 1, 2012 #2 Nov 1, 2012 #2 Re: 300 win mag A friend if mine has been having some good results with a 1/10 for his 300wm
